On Mon, Feb 24, 2020 at 04:12:37PM -0800, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > > Upon startup, xfs_db needs to check if it is even looking at an XFS > filesystem, and it needs the AG 0 superblock contents to initialize the > incore mount. We cannot know the filesystem sector size until we read > the superblock, but we also do not want to introduce aliasing in the > buffer cache. Convert this code to the new uncached buffer read API so > that we can stop open-coding it. > > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Looks good, Reviewed-by: Christoph Hellwig <hch@xxxxxx>
